pcbnew:

* Add visible clearance when edit node or track segment,
  add parameter "show clearance for new or edited track with via area"
  in "Display options" menu.

include/pcbstruct.h

@@ -33,6 +33,10 @@ enum TRACE_CLEARANCE_DISPLAY_MODE_T {
                                                * clearance area at end of current new
                                                * segment (guide to place a new via
                                                */
+    SHOW_CLEARANCE_NEW_AND_EDITED_TRACKS_AND_VIA_AREAS,
+                                                /* Show clearance for new, moving and
+                                                 * dragging tracks and vias
+                                                 */
     SHOW_CLEARANCE_ALWAYS                      /* Show Always clearance areas
                                                 * for track and vias
                                                 */

pcbnew/class_track.cpp

@@ -30,9 +30,13 @@
 static bool ShowClearance( const TRACK* aTrack )
 {
     // maybe return true for tracks and vias, not for zone segments
-    return DisplayOpt.ShowTrackClearanceMode == SHOW_CLEARANCE_ALWAYS
-           &&  aTrack->GetLayer() <= LAST_COPPER_LAYER
-           && ( aTrack->Type() == TYPE_TRACK || aTrack->Type() == TYPE_VIA );
+    return aTrack->GetLayer() <= LAST_COPPER_LAYER
+           && ( aTrack->Type() == TYPE_TRACK || aTrack->Type() == TYPE_VIA )
+           && ( ( DisplayOpt.ShowTrackClearanceMode == SHOW_CLEARANCE_NEW_AND_EDITED_TRACKS_AND_VIA_AREAS
+            && ( aTrack->m_Flags & IS_DRAGGED || aTrack->m_Flags & IS_MOVED || aTrack->m_Flags & IS_NEW ) )
+            || ( DisplayOpt.ShowTrackClearanceMode == SHOW_CLEARANCE_ALWAYS )
+            );
+
 }
 
 

pcbnew/dialogs/dialog_display_options.cpp

@@ -56,20 +56,24 @@ void DIALOG_DISPLAY_OPTIONS::init()
             m_OptDisplayTracksClearance->SetSelection( 1 );
             break;
 
+        case SHOW_CLEARANCE_NEW_AND_EDITED_TRACKS_AND_VIA_AREAS:
+            m_OptDisplayTracksClearance->SetSelection( 3 );
+            break;
+
         default:
         case SHOW_CLEARANCE_NEW_TRACKS_AND_VIA_AREAS:
-            m_OptDisplayTracksClearance->SetSelection(2);
+            m_OptDisplayTracksClearance->SetSelection( 2 );
             break;
 
         case SHOW_CLEARANCE_ALWAYS:
-            m_OptDisplayTracksClearance->SetSelection(3);
+            m_OptDisplayTracksClearance->SetSelection( 4 );
             break;
     }
 
     if ( DisplayOpt.DisplayPadFill )
-        m_OptDisplayPads->SetSelection(1);
+        m_OptDisplayPads->SetSelection( 1 );
     else
-        m_OptDisplayPads->SetSelection(0);
+        m_OptDisplayPads->SetSelection( 0 );
 
     if ( DisplayOpt.DisplayViaFill )
         m_OptDisplayVias->SetSelection( 1 );
@@ -127,6 +131,10 @@ void DIALOG_DISPLAY_OPTIONS::OnOkClick(wxCommandEvent& event)
             break;
 
         case 3:
+            DisplayOpt.ShowTrackClearanceMode = SHOW_CLEARANCE_NEW_AND_EDITED_TRACKS_AND_VIA_AREAS;
+            break;
+
+        case 4:
             DisplayOpt.ShowTrackClearanceMode = SHOW_CLEARANCE_ALWAYS;
             break;
     }

pcbnew/dialogs/dialog_display_options_base.cpp

 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Nov 17 2010)
+// C++ code generated with wxFormBuilder (version Sep  6 2011)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!
@@ -54,10 +54,10 @@ DIALOG_DISPLAY_OPTIONS_BASE::DIALOG_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWi
 	
 	sbMiddleLeftSizer->Add( m_ShowNetNamesOption, 0, wxALL, 5 );
 	
-	wxString m_OptDisplayTracksClearanceChoices[] = { _("Never"), _("New track"), _("New track with via area"), _("Always") };
+	wxString m_OptDisplayTracksClearanceChoices[] = { _("Never"), _("New track"), _("New track with via area"), _("New and edited tracks with via area"), _("Always") };
 	int m_OptDisplayTracksClearanceNChoices = sizeof( m_OptDisplayTracksClearanceChoices ) / sizeof( wxString );
 	m_OptDisplayTracksClearance = new wxRadioBox( this, ID_SHOW_CLEARANCE, _("Show Tracks Clearance:"), wxDefaultPosition, wxDefaultSize, m_OptDisplayTracksClearanceNChoices, m_OptDisplayTracksClearanceChoices, 1, wxRA_SPECIFY_COLS );
-	m_OptDisplayTracksClearance->SetSelection( 0 );
+	m_OptDisplayTracksClearance->SetSelection( 3 );
 	m_OptDisplayTracksClearance->SetToolTip( _("Show( or not) tracks clearance area.\nIf New track is selected,  track clearance area is shown only when creating the track.") );
 	
 	sbMiddleLeftSizer->Add( m_OptDisplayTracksClearance, 0, wxALL|wxEXPAND, 5 );

pcbnew/dialogs/dialog_display_options_base.h

 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Nov 17 2010)
+// C++ code generated with wxFormBuilder (version Sep  6 2011)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!

pcbnew/move_or_drag_track.cpp

@@ -129,6 +129,8 @@ static void Abort_MoveTrack( EDA_DRAW_PANEL* Panel, wxDC* DC )
 
     EraseDragList();
     Panel->SetMouseCapture( NULL, NULL );
+
+    Panel->Refresh();
 }
 
 
@@ -1036,6 +1038,8 @@ bool PCB_EDIT_FRAME::PlaceDraggedOrMovedTrackSegment( TRACK* Track, wxDC* DC )
     OnModify();
     DrawPanel->SetMouseCapture( NULL, NULL );
 
+    DrawPanel->Refresh();
+
     if( current_net_code > 0 )
         TestNetConnection( DC, current_net_code );